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    SURFACE ILLUMINATOR AND LIQUID CRYSTAL DISPLAY USING SAME
    3.
    发明申请
    SURFACE ILLUMINATOR AND LIQUID CRYSTAL DISPLAY USING SAME 有权
    表面照明器和使用相同的液晶显示器

    公开(公告)号：US20090303417A1

    公开(公告)日：2009-12-10

    申请号：US12093487

    申请日：2006-11-15

    申请人： Tetsuro Mizushima ,  Ken'ichi Kasazumi ,  Kiminori Mizuuchi ,  Kazuhisa Yamamoto ,  Shin-ichi Kadowaki ,  Tatsuo Itoh

    发明人： Tetsuro Mizushima ,  Ken'ichi Kasazumi ,  Kiminori Mizuuchi ,  Kazuhisa Yamamoto ,  Shin-ichi Kadowaki ,  Tatsuo Itoh

    IPC分类号： F21V8/00 ,  G02F1/13357

    CPC分类号： G02B5/02 ,  G02B3/0056 ,  G02B6/0028 ,  G02B6/0066 ,  G02B19/0028 ,  G02B19/0057 ,  G02B26/105 ,  G02B27/1053 ,  G02B27/1086 ,  G02B27/144 ,  G02B27/145 ,  G02B27/48 ,  G02F1/133621

    摘要： The present invention provides a surface illuminator having a uniform luminance over a large area by using a laser light source, having a wide color reproduction range, and capable of suppressing a speckle noise, as well as a liquid crystal display using the same. The surface illuminator of the present invention includes the laser light source that emits a laser beam; a beam scan section that deflects and scans the laser beam; and a first plate-shaped light guide that makes the laser beam deflected and scanned by the beam scan section to be incident from an end face portion and making the incident laser beam to emit from a first major surface. Further, the liquid crystal display of the present invention includes a liquid crystal display panel and the surface illuminator, wherein the surface illuminator is used as a backlight illuminator that lights the liquid crystal display panel from backside in this liquid crystal display.

    摘要翻译： 本发明通过使用具有宽的色彩再现范围并且能够抑制散斑噪声的激光源以及使用其的液晶显示器，提供了在大面积上具有均匀亮度的表面照明器。 本发明的表面照明器包括发射激光束的激光光源; 光束扫描部分，其偏转和扫描激光束; 以及第一板状光导，其使由激光束扫描部偏转和扫描的激光束从端面部入射并使入射的激光束从第一主表面发射。 此外，本发明的液晶显示器包括液晶显示面板和表面照明器，其中表面照明器用作从该液晶显示器的背面照亮液晶显示面板的背光照明器。

    Optical Disc Drive
    4.
    发明申请
    Optical Disc Drive 有权
    光盘驱动器

    公开(公告)号：US20090073824A1

    公开(公告)日：2009-03-19

    申请号：US11576482

    申请日：2005-09-20

    申请人： Akira Kurozuka ,  Shin-ichi Kadowaki ,  Joji Anzai ,  Osamu Kajino

    发明人： Akira Kurozuka ,  Shin-ichi Kadowaki ,  Joji Anzai ,  Osamu Kajino

    IPC分类号： G11B7/00

    CPC分类号： G11B7/1275 ,  G11B7/08511 ,  G11B7/1362 ,  G11B7/13925 ,  G11B19/12 ,  G11B2007/0006 ,  G11B2007/0013

    摘要： An optical disk apparatus according to the present invention includes: a light emission section for emitting laser light; an optical system for irradiating the optical disk medium with the laser light; and an aberration control section for controlling aberration of the laser light. In one embodiment, the aberration control section repeatedly switches between a plurality of aberration setting states in a focus lock-in operation. In another embodiment, the aberration control section simultaneously sets a plurality of aberration setting states in a focus lock-in operation. As a result, a plurality of aberration setting states can be allowed to substantially coexist within a single optical system.

    摘要翻译： 根据本发明的光盘装置包括：发光部分，用于发射激光; 用于用激光照射光盘介质的光学系统; 以及用于控制激光的像差的像差控制部。 在一个实施例中，像差控制部分在聚焦锁定操作中在多个像差设置状态之间重复地切换。 在另一实施例中，像差控制部分在聚焦锁定操作中同时设置多个像差设置状态。 结果，可以允许多个像差设定状态在单个光学系统内基本共存。

    OPTICAL HEAD DEVICE AND OPTICAL INFORMATION PROCESSING DEVICE
    5.
    发明申请
    OPTICAL HEAD DEVICE AND OPTICAL INFORMATION PROCESSING DEVICE 有权
    光头设备和光信息处理设备

    公开(公告)号：US20090028035A1

    公开(公告)日：2009-01-29

    申请号：US11912469

    申请日：2006-04-24

    申请人： Kousei Sano ,  Yoshiaki Komma ,  Shin-ichi Kadowaki

    发明人： Kousei Sano ,  Yoshiaki Komma ,  Shin-ichi Kadowaki

    IPC分类号： G11B7/135

    CPC分类号： G11B7/1381 ,  G11B7/0903 ,  G11B7/1353 ,  G11B2007/0013

    摘要： An optical head device according to the present invention includes a splitting section for splitting a light beam having been reflected from an optical storage medium. The splitting section includes: a first main region transmitting a first interfering portion; a second interfering portion transmitting a second main region; and first and second sub-regions through which the first interfering portion is transmitted with a lower rate than in the first main region and through which the second interfering portion is transmitted with a lower rate than in the second main region. The splitting section splits the reflected light beam into: a first main light beam transmitted through the first main region; a second main light beam transmitted through the second main region; a first sub-light beam transmitted through the first sub-region; and a second sub-light beam transmitted through the second sub-region. The splitting section further includes a swapping section for swapping a portion of the first sub-light beam with a portion of the second sub-light beam.

    摘要翻译： 根据本发明的光学头装置包括用于分离已经从光学存储介质反射的光束的分离部分。 分割部分包括：传送第一干扰部分的第一主区域; 传送第二主区域的第二干扰部分; 第一和第二子区域以比在第一主区域中低的速率传输第一干扰部分，并且第二干扰部分以比在第二主要区域中更低的速率透过。 所述分割部将所述反射光束分割为：透过所述第一主区域的第一主光束; 透过第二​​主区域的第二主光束; 透射通过第一子区域的第一子光束; 和通过第二子区域传输的第二副光束。 分割部还包括用于将第一子光束的一部分与第二子光束的一部分交换的交换部分。

    Optical pick-up head, optical information apparatus, and optical information reproducing method
    6.
    发明授权
    Optical pick-up head, optical information apparatus, and optical information reproducing method 有权
    光学拾取头，光学信息装置和光学信息再现方法

    公开(公告)号：US07460448B2

    公开(公告)日：2008-12-02

    申请号：US11789106

    申请日：2007-04-23

    申请人： Shin-ichi Kadowaki ,  Kousei Sano ,  Akihiro Arai ,  Katsuhiko Yasuda ,  Tomotada Kamei ,  Hiroaki Yamamoto ,  Fumitomo Yamasaki

    发明人： Shin-ichi Kadowaki ,  Kousei Sano ,  Akihiro Arai ,  Katsuhiko Yasuda ,  Tomotada Kamei ,  Hiroaki Yamamoto ,  Fumitomo Yamasaki

    IPC分类号： G11B7/00

    CPC分类号： G11B7/1381 ,  G11B7/0901 ,  G11B7/0903 ,  G11B7/0941 ,  G11B7/0943 ,  G11B7/0948 ,  G11B7/131 ,  G11B7/133 ,  G11B7/1353 ,  G11B7/13927 ,  G11B2007/0013

    摘要： An optical information apparatus of the present invention includes: an optical pick-up head including: a light source; a diffraction unit; a condensing unit; a beam splitter; a photodetector; and a tracking error signal generator. An optical recording medium has tracks arranged substantially at a constant pitch. An average of a pitch is tp. When a main beam is placed on the track, a first sub-beam and a second sub-beam are placed between the tracks. The tracking error signal generator performs a differential arithmetic operation with respect to signals output from a light-receiving portion receiving the main beam to generate a first push-pull signal, performs a differential arithmetic operation with respect to signals output from the light-receiving portions receiving the first sub-beam and the second sub-beam to generate a second push-pull signal, and performs a differential arithmetic operation with respect to the first push-pull signal and the second push-pull signal to generate a tracking error signal, in a case where an amplitude of the first push-pull signal obtained at the pitch tp is fluctuated when the light beam is scanned in a direction orthogonal to the tracks of the optical recording medium.

    摘要翻译： 本发明的光信息装置包括：光拾取头，包括：光源; 衍射单位; 冷凝单元; 分束器; 光检测器; 和跟踪误差信号发生器。 光记录介质具有基本上以恒定间距布置的轨道。 平均音高是tp。 当主光束被放置在轨道上时，第一子光束和第二子光束被放置在轨道之间。 跟踪误差信号发生器对从接收主波束的光接收部分输出的信号执行差分运算，产生第一推挽信号，对从光接收部分输出的信号执行差分运算 接收第一子光束和第二子光束以产生第二推挽信号，并且相对于第一推挽信号和第二推挽信号执行差分算术运算以产生跟踪误差信号， 当在与光记录介质的轨道正交的方向上扫描光束时，以间距tp获得的第一推挽信号的幅度波动的情况。

    Optical head, an optical disk device and an integrated circuit
    7.
    发明授权
    Optical head, an optical disk device and an integrated circuit 失效
    光头，光盘装置和集成电路

    公开(公告)号：US07420897B2

    公开(公告)日：2008-09-02

    申请号：US11176207

    申请日：2005-07-08

    申请人： Fumitomo Yamasaki ,  Shin-ichi Kadowaki ,  Kousei Sano ,  Akihiro Arai

    发明人： Fumitomo Yamasaki ,  Shin-ichi Kadowaki ,  Kousei Sano ,  Akihiro Arai

    IPC分类号： G11B7/00

    CPC分类号： G11B7/0956 ,  G11B7/131 ,  G11B7/133

    摘要： A light sensing area of a light sensing element is comprised of A1 region, A2 region, B1 region, B2 region and N region. A tilt detector carries out a tilt detection in accordance with a first difference signal, which is a difference signal between a signal obtained from the A1 region and a signal obtained from the B1 region, and a second difference signal, which is difference signal between a signal obtained from the A2 region and a signal obtained from the B2 region.Accordingly, an optical-disk tilt detecting signal having a little influence of defocusing can be obtained even at boundaries between recorded information tracks and non-recorded information tracks.

    摘要翻译： 感光元件的感光区域由A 1区域，A 2区域，B 1区域，B 2区域和N区域构成。 倾斜检测器根据作为从A 1区域获得的信号与从B 1区域获得的信号之间的差分信号的第一差分信号和作为差分信号的第二差分信号执行倾斜检测 在从A 2区域获得的信号和从B 2区域获得的信号之间。 因此，即使在记录的信息轨道和未记录的信息轨迹之间的边界，也可以获得具有散焦影响很小的光盘倾斜检测信号。

    Disc-shaped recording medium, disc driving device and disc producing method
    9.
    发明授权
    Disc-shaped recording medium, disc driving device and disc producing method 有权
    碟形记录介质，盘驱动装置和盘制造方法

    公开(公告)号：US07221644B2

    公开(公告)日：2007-05-22

    申请号：US10515191

    申请日：2003-05-22

    申请人： Shoei Kobayashi ,  Tamotsu Yamagami ,  Shin-ichi Kadowaki ,  Takashi Ishida ,  Cornelis Marinus Schep ,  Hermanus Johannes Borg

    发明人： Shoei Kobayashi ,  Tamotsu Yamagami ,  Shin-ichi Kadowaki ,  Takashi Ishida ,  Cornelis Marinus Schep ,  Hermanus Johannes Borg

    IPC分类号： G11B7/24

    CPC分类号： G11B7/24038 ,  G11B7/00736

    摘要： With the disc-shaped recording medium, or the disc manufacturing method according to the present invention, for both the single-layer disc and the multi-layer disc, a recording layer L0, which is to be the first layer, is at the same distance, along the direction of disc thickness, from the surface of the cover layer CVLs on which falls the laser light. For the multi-layer disc, the second layer L1 and the following layer(s) are formed at the locations which are closer to the cover layer CVLs than the first layer L0. Management information may be recorded by mobbling grooves, each layermay have tert areas, defect information, a replacement area. Thus, it is possible to improve compatibility, reliability and accessibility between a single-layer disc and a multi-layer disc. The spherical aberration for the recording/reproducing light may be controlled with respect to the selected layer.

    摘要翻译： 根据本发明的盘形记录介质或盘制造方法，对于单层盘和多层盘两者，作为第一层的记录层L 0处于 沿着光盘厚度的方向与从其上落下的激光的覆盖层CVL的表面相同的距离。 对于多层盘，第二层L 1和下一层形成在比第一层L 0更靠近覆盖层CVL的位置处。 管理信息可以通过移动槽记录，每个铺位都有叔区，缺陷信息，替换区。 因此，可以提高单层盘和多层盘之间的兼容性，可靠性和可访问性。 可以相对于所选择的层来控制记录/再现光的球面像差。

    Optical detector, optical head device, optical information processing device, and optical information processing method
    10.
    发明申请
    Optical detector, optical head device, optical information processing device, and optical information processing method 失效
    光学检测器，光学头装置，光学信息处理装置和光学信息处理方法

    公开(公告)号：US20060164959A1

    公开(公告)日：2006-07-27

    申请号：US10511991

    申请日：2003-05-06

    申请人： Tomotada Kamei ,  Shin-ichi Kadowaki

    发明人： Tomotada Kamei ,  Shin-ichi Kadowaki

    IPC分类号： G11B7/00

    CPC分类号： G11B7/13 ,  H01L31/0203 ,  H01L2224/45144 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2924/181 ,  H01L2924/00014 ,  H01L2924/00 ,  H01L2924/00012

    摘要： A photodetector, includes: a semiconductor chip that converts received light to an electric signal; and a resin body that encapsulates the semiconductor chip. The photodetector further includes a protective unit, and at least a light transmission area, through which the light passes, in a surface of the resin body on an incident side of the light is covered by the protective unit. Covering the light transmission area with the protective unit that is less in reactivity with light than the resin body can suppress deformation of the resin body due to light, thus suppressing deterioration of the optical characteristics of the photodetector.

    摘要翻译： 一种光检测器，包括：将接收的光转换成电信号的半导体芯片; 以及封装半导体芯片的树脂体。 光电检测器还包括保护单元，并且在光的入射侧的树脂体的表面中至少光通过的透光区被保护单元覆盖。 用树脂体反射性较差的保护单元覆盖透光区域可以抑制由于光而导致的树脂体的变形，从而抑制光电检测器的光学特性的劣化。